Calculate the time needed (seconds) to that up 285 mL of tomato soup from 4. 0°C to 57°C in a 1100. Watt microwave oven. Assume that the density of tomato soup is 1. 25 g/mL and that its specific heat capacity is 4. 21 J/g°C.

Can you guys me with question no. 5!

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

In 2002, the rare earth elements mine in mountain pass, california was closed because